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Finding the Fourth Proportional to 584,450.80, 876,676.20 and 413,208.70

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Solution

The fourth proportional to 584,450.80, 876,676.20 and 413,208.70 is: 619,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,450.80 : 876,676.20 = 413,208.70 : x
  2. Step 2: Convert to fraction form
    584,450.80/876,676.20 = 413,208.70/x
  3. Step 3: Cross multiply
    584,450.80x = 876,676.20 × 413,208.70
  4. Step 4: Simplify right side
    584,450.80x = 362,250,232,922.94
  5. Step 5: Solve for x
    x = 362,250,232,922.94/584,450.80
  6. Step 6: Final answer
    x = 619,813.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.